package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;


/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 修改菜品
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.updateDish(dishDTO);

        //批量删除菜品缓存，所有以dish_开头的key
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);

        return Result.success();
    }


    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);//后绪步骤开发
        String key = "dish_" + dishDTO.getCategoryId();
        //精确清理缓存数据
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> find4Page(DishPageQueryDTO dishPageQueryDTO){
        PageResult pageResult = dishService.find4Page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(String ids){
        dishService.delete(ids);

        //批量删除菜品缓存，所有以dish_开头的key
        //批量删除菜品缓存，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查找菜品")
    public Result<DishVO> findById(@PathVariable("id") Long id){
        DishVO dishVO = dishService.findById(id);
        return Result.success(dishVO);
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> findByTypeId(Long categoryId){
        List<Dish> dishList = dishService.findByTypeId(categoryId);
        return Result.success(dishList);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("修改分类状态")
    public Result startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);

        //批量删除菜品缓存，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    private void cleanCache(String pattern){
        Set list = redisTemplate.keys(pattern);
        redisTemplate.delete(list);
        log.info("成功删除缓存:"+pattern);
    }
}